added sending message

App.config

@@ -7,9 +7,6 @@
     </configSections>
     <userSettings>
         <CherryMerryGram.cherrymerrygram_config>
-            <setting name="appId" serializeAs="String">
-                <value />
-            </setting>
         </CherryMerryGram.cherrymerrygram_config>
     </userSettings>
 </configuration>

CherryMerryGram.csproj

@@ -20,7 +20,9 @@
   <ItemGroup>
     <None Remove="Views\AccountView.xaml" />
     <None Remove="Views\ChatsView.xaml" />
+    <None Remove="Views\Chats\Chat.xaml" />
     <None Remove="Views\Chats\ChatEntry.xaml" />
+    <None Remove="Views\Chats\ChatMessage.xaml" />
     <None Remove="Views\HelpView.xaml" />
     <None Remove="Views\LoginView.xaml" />
     <None Remove="Views\SettingsView.xaml" />
@@ -52,6 +54,16 @@
   <ItemGroup Condition="'$(DisableMsixProjectCapabilityAddedByProject)'!='true' and '$(EnableMsixTooling)'=='true'">
     <ProjectCapability Include="Msix" />
   </ItemGroup>
+  <ItemGroup>
+    <Page Update="Views\Chats\ChatMessage.xaml">
+      <Generator>MSBuild:Compile</Generator>
+    </Page>
+  </ItemGroup>
+  <ItemGroup>
+    <Page Update="Views\Chats\Chat.xaml">
+      <Generator>MSBuild:Compile</Generator>
+    </Page>
+  </ItemGroup>
   <ItemGroup>
     <Page Update="Views\LoginView.xaml">
       <Generator>MSBuild:Compile</Generator>

MainWindow.xaml.cs

@@ -51,11 +51,11 @@ private static async Task ProcessUpdates(TdApi.Update update)
 					var filesLocation = Path.Combine(AppContext.BaseDirectory, "db");
 					await _client.ExecuteAsync(new TdApi.SetTdlibParameters
 					{
-						ApiId = _config.ApiId,
-						ApiHash = _config.ApiHash,
+						ApiId = Config.Config.ApiId,
+						ApiHash = Config.Config.ApiHash,
 						DeviceModel = "PC",
 						SystemLanguageCode = "en",
-						ApplicationVersion = _config.ApplicationVersion,
+						ApplicationVersion = Config.Config.ApplicationVersion,
 						DatabaseDirectory = filesLocation,
 						FilesDirectory = filesLocation,
 					});

Views/AccountView.xaml.cs

@@ -8,7 +8,6 @@ namespace CherryMerryGram.Views
 	public sealed partial class AccountView : Page
 	{
 		private static readonly TdClient _client = MainWindow._client;
-        private static MainWindow _app;
 
         private string _displayName;
         private string _username;
@@ -17,8 +16,6 @@ public sealed partial class AccountView : Page
 		public AccountView()
 		{
 			this.InitializeComponent();
-
-            //_app = new MainWindow();
 
             InitializeAllVariables();
         }
@@ -42,7 +39,6 @@ private async void InitializeAllVariables()
         private async void Button_LogOut_OnClick(object sender, RoutedEventArgs e)
         {
             await _client.ExecuteAsync(new TdApi.LogOut());
-            _app.UpdateWindow();
         }
     }
 }

Views/Chats/Chat.xaml

@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Page
+    x:Class="CherryMerryGram.Views.Chats.Chat"
+    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:local="using:CherryMerryGram.Views.Chats"
+    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+    mc:Ignorable="d"
+    Background="{ThemeResource ApplicationPageBackgroundThemeBrush}">
+
+    <StackPanel>
+        <StackPanel x:Name="TopBar" Orientation="Horizontal" VerticalAlignment="Top">
+            <TextBlock x:Name="ChatTitle" />
+        </StackPanel>
+        <ListView x:Name="MessagesList" />
+        <StackPanel x:Name="UserActionsPanel" Orientation="Horizontal" VerticalAlignment="Bottom">
+            <TextBox x:Name="UserMessageInput" PlaceholderText="Enter your message"/>
+            <Button x:Name="Stickers" Content="Stickers" Width="70" MaxHeight="25" MaxWidth="25" />
+            <Button x:Name="SendMessage" Content="Send" Width="70" MaxHeight="25" MaxWidth="25" Click="SendMessage_OnClick" />
+        </StackPanel>
+    </StackPanel>
+</Page>

Views/Chats/Chat.xaml.cs

@@ -0,0 +1,65 @@
+using Microsoft.UI.Xaml.Controls;
+using System.Collections.Generic;
+using TdLib;
+using Microsoft.UI.Xaml;
+
+namespace CherryMerryGram.Views.Chats
+{
+    public sealed partial class Chat : Page
+    {
+        private static TdClient _client = MainWindow._client;
+        private static long ChatId;
+
+        public Chat()
+        {
+            this.InitializeComponent();
+        }
+
+        public async void UpdateChat(long chatId, string Title)
+        {
+            ChatId = chatId;
+            var chat = _client.GetChatAsync(chatId: chatId);
+            ChatTitle.Text = chat.Result.Title;
+
+            var messages = GetMessages();
+
+            await foreach (var message in messages)
+            {
+                var messageEntry = new ChatMessage();
+                messageEntry.UpdateMessage(message: message);
+                MessagesList.Items.Add(messageEntry);
+            }
+        }
+
+        private static async IAsyncEnumerable<TdApi.Messages> GetMessages()
+        {
+            var messages = await _client.ExecuteAsync(new TdApi.GetChatHistory
+            {
+                ChatId = ChatId,
+                FromMessageId = 0,
+                Offset = 0,
+                Limit = 100
+            });
+
+            foreach (var message in messages.Messages_)
+            {
+                yield return message;
+            }
+        }
+
+        private async void SendMessage_OnClick(object sender, RoutedEventArgs e)
+        {
+            await _client.ExecuteAsync(new TdApi.SendMessage
+            {
+                ChatId = ChatId,
+                InputMessageContent = new TdApi.InputMessageContent.InputMessageText
+                {
+                    Text = new TdApi.FormattedText
+                    {
+                        Text = UserMessageInput.Text
+                    }
+                }
+            });
+        }
+    }
+}

Views/Chats/ChatEntry.xaml

@@ -9,8 +9,10 @@
     mc:Ignorable="d"
     Background="{ThemeResource ApplicationPageBackgroundThemeBrush}">
 
-    <StackPanel>
-        <TextBlock x:Name="textBlock_ChatName" Text="ChatName" />
-        <TextBlock x:Name="textBlock_ChatId" Text="ChatId" />
-    </StackPanel>
+    <Button Width="250px" MaxWidth="490px" MaxHeight="50px" Click="ButtonBase_OnClick">
+        <StackPanel HorizontalAlignment="Left" VerticalAlignment="Center">
+            <TextBlock x:Name="textBlock_Chat_NameAndId" Text="ChatName (chatId)" />
+            <TextBlock x:Name="textBlock_Chat_LastMessage" Text="LastMessage" />
+        </StackPanel>
+    </Button>
 </Page>

Views/Chats/ChatEntry.xaml.cs

@@ -1,18 +1,42 @@
+using Microsoft.UI.Xaml;
 using Microsoft.UI.Xaml.Controls;
+using TdLib;
+using WinRT;
 
 namespace CherryMerryGram.Views.Chats
 {
     public sealed partial class ChatEntry : Page
     {
+        public ListView ChatPage;
+        private static Chat _chat;
+
+        private long ChatId;
+        private string ChatTitle;
+
         public ChatEntry()
         {
             this.InitializeComponent();
         }
 
-        public void UpdateChat(int chatId, string chatName)
+        public void UpdateChat(long chatId, string chatName, TdApi.Message chatLastMessage )
+        {
+            ChatId = chatId;
+            ChatTitle = chatName;
+            textBlock_Chat_NameAndId.Text = $"{chatName} ({chatId})";
+            textBlock_Chat_LastMessage.Text = chatLastMessage.Content.ToString();
+        }
+
+        private void ButtonBase_OnClick(object sender, RoutedEventArgs e)
         {
-            textBlock_ChatId.Text = chatId.ToString();
-            textBlock_ChatName.Text = chatName;
+            if (ChatPage != null && _chat != null)
+            {
+                ChatPage.Items.Remove(_chat);
+                _chat = null;
+            }
+
+            _chat = new Chat();
+            ChatPage.Items.Add(_chat);
+            _chat.UpdateChat(ChatId, ChatTitle);
         }
     }
 }

Views/Chats/ChatMessage.xaml

@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Page
+    x:Class="CherryMerryGram.Views.Chats.ChatMessage"
+    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:local="using:CherryMerryGram.Views.Chats"
+    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+    mc:Ignorable="d"
+    Background="{ThemeResource ApplicationPageBackgroundThemeBrush}">
+
+    <StackPanel Orientation="Vertical">
+        <TextBlock x:Name="Username" Text="@username" />
+    </StackPanel>
+</Page>

Views/Chats/ChatMessage.xaml.cs

@@ -0,0 +1,18 @@
+using Microsoft.UI.Xaml.Controls;
+using TdLib;
+
+namespace CherryMerryGram.Views.Chats
+{
+    public sealed partial class ChatMessage : Page
+    {
+        public ChatMessage()
+        {
+            this.InitializeComponent();
+        }
+
+        public void UpdateMessage(TdApi.Message message)
+        {
+            Username.Text = message.AuthorSignature;
+        }
+    }
+}

Views/ChatsView.xaml

@@ -10,7 +10,7 @@
     Background="{ThemeResource ApplicationPageBackgroundThemeBrush}">
 
     <StackPanel Orientation="Horizontal">
-        <ListView x:Name="ChatList" Width="250px">
-        </ListView>
+        <ListView x:Name="ChatsList" Width="500px" />
+        <ListView x:Name="Chat" />
     </StackPanel>
 </Page>

Views/ChatsView.xaml.cs

@@ -25,9 +25,9 @@ private async void GenerateChatEntries()
             await foreach (var chat in chats)
             {
                 var chatEntry = new ChatEntry();
-                int chatId = unchecked((int)chat.Id);
-                chatEntry.UpdateChat(chatId, chat.Title);
-                ChatList.Items.Add(chatEntry);
+                chatEntry.UpdateChat(chat.Id, chat.Title, chat.LastMessage);
+                chatEntry.ChatPage = Chat;
+                ChatsList.Items.Add(chatEntry);
             }
         }